AI7 min read
Sustainable Velocity #1: even Karpathy feels behind
AI acceleration is real but arrived in lanes. METR measured a 39-point gap between how fast developers felt and how fast they actually were.
AI · Blockchain · Prediction markets
Notes from thebuild
What we run into while shipping AI, on-chain, and prediction-market products. Written for people who have to make the call, not just read about it.
Blockchain10 min read
Infra Graveyard Weekly #06: TON gave a hundred days' notice, and 0.11% left
A bridge with $15m inside closed on 1 September after a hundred days of warnings and zero fees. Almost nobody came for the money.
Blockchain6 min read
A clean report that lied: how 420 live pairs became dead ones
Our scanner promised to check all 577 pools of a dying chain and checked 157: three lines of code turned a failed read into 'nothing here'.
Blockchain13 min read
Infra Graveyard Weekly #05: DFK Chain is dead, and $236,000 stayed inside
We measured one dying chain five times in a month. Half the money left in six days — and the largest holder of what stayed is an abandoned contract.
Blockchain8 min read
Infra Graveyard Weekly #04: DFK Chain dies in four days, and the money hasn't moved
We measured the same dying chain twice, eight days apart. The liquidity is still there, 84% of it inside two contracts the wallet never shows.
AI12 min read
What a third-party Claude Code skill can do before you have read it
We installed third-party Claude Code skills and checked what they do on the machine. Commands with no confirmation, hooks in every session, silent auto-updates.
Blockchain6 min read
Infra Graveyard Weekly #03: Polygon dropped Erigon, and historical eth_getProof went with it
The first deadline the board named in advance has fired — Gnosisscan is gone. Polygon's Erigon sunset quietly took historical proofs with it.
Blockchain6 min read
What the registry of a dying chain revealed
We built a contract registry for DFK Chain two weeks before shutdown. 84% of liquidity sits in staking, a fifth of it in a long-replaced contract.
Blockchain7 min read
Infra Graveyard Weekly #02: LayerZero cuts 20 chains, and on Taiko 30,836 holders share $12,376
LayerZero ends offchain support for 20 chains and Stargate exits five. Polygon's public RPCs are already gone, and Porto's funds deadline has passed.
Blockchain7 min read
The audit confirmed the generator existed. It did — and it was never called
For five years Coldcard drew randomness from the wrong generator. Review never caught it, because it checked that the code was there, not that it ran.
Blockchain6 min read
DFK Chain sunset: what to do before 28 August
DFK Chain is retired on 28 August 2026. What the announcement says, where it stops, and the three places assets hide that a wallet balance will not show you.
Blockchain7 min read
Infra Graveyard Weekly #01: Polygon's Erigon namespace is gone, and your provider picked the date
Polygon dropped the Erigon namespace, Etherscan cut a fourth chain, Zapper's API goes dark tomorrow — this week's crypto infrastructure deprecations.